1; RUN: llc %s -start-after=codegenprepare -stop-before finalize-isel -o - \ 2; RUN: -experimental-debug-variable-locations=false \ 3; RUN: | FileCheck %s --check-prefixes=CHECK,DBGVALUE 4 5; RUN: llc --try-experimental-debuginfo-iterators %s -start-after=codegenprepare -stop-before finalize-isel -o - \ 6; RUN: -experimental-debug-variable-locations=false \ 7; RUN: | FileCheck %s --check-prefixes=CHECK,DBGVALUE 8; RUN: llc %s -start-after=codegenprepare -stop-before finalize-isel -o - \ 9; RUN: -experimental-debug-variable-locations=true \ 10; RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREF 11 12 13; RUN: llc --try-experimental-debuginfo-iterators %s -start-after=codegenprepare -stop-before finalize-isel -o - \ 14; RUN: -experimental-debug-variable-locations=true \ 15; RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREF 16 17; Adapted from sdag-transfer-dbgvalue.ll to test dbg.assign intrinsics. This 18; ensures that dbg.assigns with no linked store are treated as dbg.values. 19 20; This tests that transferDbgValues() changes order of SDDbgValue transferred 21; to another node and debug info for 'ADD32ri' appears *after* the instruction. 22; 23; This test case was generated from the following program 24; using: clang -g -O3 -S -emit-llvm test.c 25; 26; int foo(int a, int *b) { 27; int c = a + 512; 28; if (c != 0) 29; *b = a; 30; return c; 31; } 32 33target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 34target triple = "x86_64-unknown-linux-gnu" 35 36; CHECK-LABEL: bb.0.entry: 37; DBGVALUE: %[[REG:[0-9]+]]:gr32 = ADD32ri %1, 512 38; DBGVALUE-NEXT: DBG_VALUE %[[REG]] 39; INSTRREF: ADD32ri %1, 512, {{.*}}debug-instr-number 1 40; INSTRREF-NEXT: DBG_INSTR_REF {{.+}}, dbg-instr-ref(1, 0) 41 42; Function Attrs: nofree norecurse nounwind uwtable writeonly 43define dso_local i32 @foo(i32 %a, ptr nocapture %b) local_unnamed_addr !dbg !7 { 44entry: 45 %add = add nsw i32 %a, 512, !dbg !18 46 call void @llvm.dbg.assign(metadata i32 %add, metadata !16, metadata !DIExpression(), metadata !19, metadata ptr undef, metadata !DIExpression()), !dbg !17 47 %cmp = icmp eq i32 %add, 0, !dbg !18 48 br i1 %cmp, label %if.end, label %if.then, !dbg !18 49 50if.then: ; preds = %entry 51 store i32 %a, ptr %b, align 4, !dbg !18 52 br label %if.end, !dbg !18 53 54if.end: ; preds = %entry, %if.then 55 ret i32 %add, !dbg !18 56} 57 58; Function Attrs: nounwind readnone speculatable willreturn 59declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) 60 61!llvm.dbg.cu = !{!0} 62!llvm.module.flags = !{!3, !4, !5, !1000} 63!llvm.ident = !{!6} 64 65!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 66!1 = !DIFile(filename: "test.c", directory: "/") 67!2 = !{} 68!3 = !{i32 2, !"Dwarf Version", i32 4} 69!4 = !{i32 2, !"Debug Info Version", i32 3} 70!5 = !{i32 1, !"wchar_size", i32 4} 71!6 = !{!"clang version 10.0.0"} 72!7 = distinct !DISubprogram(name: "foo", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13) 73!8 = !DIFile(filename: "test.c", directory: "/") 74!9 = !DISubroutineType(types: !10) 75!10 = !{!11, !11, !12} 76!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 77!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64) 78!13 = !{!14, !15, !16} 79!14 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !8, line: 1, type: !11) 80!15 = !DILocalVariable(name: "b", arg: 2, scope: !7, file: !8, line: 1, type: !12) 81!16 = !DILocalVariable(name: "c", scope: !7, file: !8, line: 2, type: !11) 82!17 = !DILocation(line: 0, scope: !7) 83!18 = !DILocation(line: 2, column: 13, scope: !7) 84!19 = distinct !DIAssignID() 85!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 86